The Telecommunications Industry Association has released a new document, TIA-455-231, FOTP-231 IEC 61315Calibration of Fibre-Optic Power Meters.

This international standard is applicable to instruments measuring radiant power emitted from sources which are typical for the fibre-optic communications industry. It also describes the calibration of power meters to be performed by calibration laboratories or by power meter manufacturers.

TIA-455-231 was formulated under the cognizance of the TIA TR-42 Telecommunications Cabling Systems, TR-42.13 Passive Optical Devices and Fiber Optic Metrology subcommittee.

For more information about TR-42 and how to participate in standards development with TIA, contact Germaine Palangdao at

TIA actively seeks participation in these projects from the user and general interest communities.

TIA-455-231 and all TIA standards may be purchased at